19990034330159 has 2 divisors, whose sum is σ = 19990034330160. Its totient is φ = 19990034330158.

The previous prime is 19990034330129. The next prime is 19990034330179. The reversal of 19990034330159 is 95103343009991.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 19990034330159 - 2⁴⁰ = 18890522702383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19990034330129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9995017165079 + 9995017165080.

It is an arithmetic number, because the mean of its divisors is an integer number (9995017165080).

Almost surely, 2^{19990034330159} is an apocalyptic number.

19990034330159 is a deficient number, since it is larger than the sum of its proper divisors (1).

19990034330159 is an equidigital number, since it uses as much as digits as its factorization.

19990034330159 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3542940, while the sum is 56.

The spelling of 19990034330159 in words is "nineteen trillion, nine hundred ninety billion, thirty-four million, three hundred thirty thousand, one hundred fifty-nine".